We’re told his entourage jumped out of their seats to alert plane personnel — at which point a doctor on board administered CPR on the rapper.

The plane made an emergency landing right away — and we’re told, as Rick was being wheeled off the aircraft, he appeared to show signs of life.

Story developing …
UPDATED 10/14/11

UPDATED 10/15/11

According to the website RapRadar.com, Rick Ross suffered two seizures in a 24 hour period. After his first seizure (on a plane), Ross attempted to make his show in Memphis. He then had another seizure on a second flight, and then his plane made a landing in Birmingham, Alabama. He’s now in a Birmingham hospital in stable conditon.